diff options
Diffstat (limited to 'src/qml/compiler/qv4compilercontext_p.h')
-rw-r--r-- | src/qml/compiler/qv4compilercontext_p.h | 96 |
1 files changed, 47 insertions, 49 deletions
diff --git a/src/qml/compiler/qv4compilercontext_p.h b/src/qml/compiler/qv4compilercontext_p.h index 8c124ac409..ceb5d00a0b 100644 --- a/src/qml/compiler/qv4compilercontext_p.h +++ b/src/qml/compiler/qv4compilercontext_p.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QV4COMPILERCONTEXT_P_H #define QV4COMPILERCONTEXT_P_H @@ -56,6 +20,11 @@ #include <QtCore/QDateTime> #include <QtCore/QStack> #include <QtCore/QHash> +#include <QtCore/QMap> +#include <QtCore/QSet> +#include <QtCore/QVarLengthArray> + +#include <memory> QT_BEGIN_NAMESPACE @@ -177,16 +146,27 @@ struct Context { FunctionDefinition }; + struct SourceLocationTable + { + struct Entry + { + quint32 offset; + QQmlJS::SourceLocation location; + }; + QVector<Entry> entries; + }; + struct Member { MemberType type = UndefinedMember; int index = -1; QQmlJS::AST::VariableScope scope = QQmlJS::AST::VariableScope::Var; mutable bool canEscape = false; + bool isInjected = false; QQmlJS::AST::FunctionExpression *function = nullptr; - QQmlJS::AST::SourceLocation endOfInitializerLocation; + QQmlJS::SourceLocation declarationLocation; bool isLexicallyScoped() const { return this->scope != QQmlJS::AST::VariableScope::Var; } - bool requiresTDZCheck(const QQmlJS::AST::SourceLocation &accessLocation, bool accessAcrossContextBoundaries) const; + bool requiresTDZCheck(const QQmlJS::SourceLocation &accessLocation, bool accessAcrossContextBoundaries) const; }; typedef QMap<QString, Member> MemberMap; @@ -194,7 +174,7 @@ struct Context { QSet<QString> usedVariables; QQmlJS::AST::FormalParameterList *formals = nullptr; QQmlJS::AST::BoundNames arguments; - QString returnType; + QQmlJS::AST::Type *returnType = nullptr; QStringList locals; QStringList moduleRequests; QVector<ImportEntry> importEntries; @@ -204,7 +184,8 @@ struct Context { ControlFlow *controlFlow = nullptr; QByteArray code; - QVector<CompiledData::CodeOffsetToLine> lineNumberMapping; + QVector<CompiledData::CodeOffsetToLineAndStatement> lineAndStatementNumberMapping; + std::unique_ptr<SourceLocationTable> sourceLocationTable; std::vector<unsigned> labelInfo; int nRegisters = 0; @@ -227,7 +208,7 @@ struct Context { bool isWithBlock = false; bool isCatchBlock = false; QString caughtVariable; - QQmlJS::AST::SourceLocation lastBlockInitializerLocation; + QQmlJS::SourceLocation lastBlockInitializerLocation; enum UsesArgumentsObject { ArgumentsObjectUnknown, @@ -289,12 +270,20 @@ struct Context { isStrict = true; } - int findArgument(const QString &name) const + bool hasArgument(const QString &name) const + { + return arguments.contains(name); + } + + int findArgument(const QString &name, bool *isInjected) const { // search backwards to handle duplicate argument names correctly for (int i = arguments.size() - 1; i >= 0; --i) { - if (arguments.at(i).id == name) + const auto &arg = arguments.at(i); + if (arg.id == name) { + *isInjected = arg.isInjected(); return i; + } } return -1; } @@ -330,8 +319,11 @@ struct Context { usedVariables.insert(name); } - bool addLocalVar(const QString &name, MemberType contextType, QQmlJS::AST::VariableScope scope, QQmlJS::AST::FunctionExpression *function = nullptr, - const QQmlJS::AST::SourceLocation &endOfInitializer = QQmlJS::AST::SourceLocation()); + bool addLocalVar( + const QString &name, MemberType contextType, QQmlJS::AST::VariableScope scope, + QQmlJS::AST::FunctionExpression *function = nullptr, + const QQmlJS::SourceLocation &declarationLocation = QQmlJS::SourceLocation(), + bool isInjected = false); struct ResolvedName { enum Type { @@ -346,12 +338,13 @@ struct Context { bool isArgOrEval = false; bool isConst = false; bool requiresTDZCheck = false; + bool isInjected = false; int scope = -1; int index = -1; - QQmlJS::AST::SourceLocation endOfDeclarationLocation; + QQmlJS::SourceLocation declarationLocation; bool isValid() const { return type != Unresolved; } }; - ResolvedName resolveName(const QString &name, const QQmlJS::AST::SourceLocation &accessLocation); + ResolvedName resolveName(const QString &name, const QQmlJS::SourceLocation &accessLocation); void emitBlockHeader(Compiler::Codegen *codegen); void emitBlockFooter(Compiler::Codegen *codegen); @@ -367,6 +360,11 @@ struct Context { return parent->canHaveTailCalls(); return false; } + + bool isCaseBlock() const + { + return contextType == ContextType::Block && name == u"%CaseBlock"; + } }; |